Chemistry Practice Problems Bohr and Balmer Equations Practice Problems Solution: Calculate the wavelength of light that would cause...

# Solution: Calculate the wavelength of light that would cause an electron to transition from  n = 1 to n = 3 in the hydrogen atom. A) 103 nm B) 136 nm C) 646 nm D) 155 nm E) 971 nm

###### Problem

Calculate the wavelength of light that would cause an electron to transition from  n = 1 to n = 3 in the hydrogen atom.

A) 103 nm

B) 136 nm

C) 646 nm

D) 155 nm

E) 971 nm

###### Solution

We are asked to calculate the wavelength of light that would make an electron transition from n=1 to n=3.

For this problem we would use the Balmer equation:

Where:

λ = wavelength (m)
R = 1.0974 x 107 m-1
nf = final energy level
ni = intial energy level

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